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Enhancement and feature extraction for images of incised and ink texts

Abstract:

This paper describes the image enhancement techniques that we have used to help historians read three kinds of writing tablets: ink, wooden stilus and lead curse tablet. The techniques include: homomorphic filtering to correct uneven illumination, high-pass filtering to remove shading caused by surface undulations, and a newer technique to remove the often substantial complicating factor of wood grain. A phase-based feature detector has been developed to detect text stroke. A description of t...

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Publication status:
Published
Peer review status:
Peer reviewed

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Institution:
University of Oxford
Department:
Mathematical,Physical & Life Sciences Division - Engineering Science
Role:
Author
More by this author
Institution:
University of Oxford
Department:
Mathematical,Physical & Life Sciences Division - Engineering Science
Role:
Author
More by this author
Institution:
University of Oxford
Research group:
Centre for the Study of Ancient Documents
Department:
Humanities Division - Classics Faculty
Role:
Author
More by this author
Institution:
University of Oxford
Research group:
Centre for the Study of Ancient Documents
Department:
Humanities Division - Classics Faculty
Role:
Author
More by this author
Institution:
University of Oxford
Research group:
Centre for the Study of Ancient Documents
Department:
Humanities Division - Classics Faculty
Role:
Author
Publisher:
Elsevier Publisher's website
Journal:
Image and Vision Computing Journal website
Volume:
22
Issue:
6
Pages:
443-451
Publication date:
2004-06-05
DOI:
ISSN:
0262-8856
URN:
uuid:e5b11581-d913-412e-b1a3-46c1676ead35
Local pid:
ora:4430

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